Sum of Angles in a Triangle - JSS1 Mathematics Past Questions and Answers - page 1
1
What is the sum of angles in an equilateral triangle?
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A
120β
B
150β
C
180β
D
210β
2
In a triangle where two angles are 40β each, what is the measure of the third angle?
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A
50β
B
60β
C
70β
D
80β
3
What is the sum of angles in a triangle if one angle is 90β and the other two angles are 45 β each?
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A
120β
B
135β
C
180β
D
225β
4
If one angle in a triangle is 80β and another is 60β, what is the measure of the third angle?
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A
20β
B
30β
C
40β
D
50β
5
What type of triangle always has its angles summing up to 180β ?
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A
Equilateral triangle
B
Isosceles triangle
C
Scalene triangle
D
Any triangle
6
In a triangle where one angle is 100 β, what are the measures of the other two angles?
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A
40β and 40β
B
50β and 50β
C
80β and 100β
D
80β and 90β
7
In triangle ABC, angle A is 50β and angle B is 70 β. What is the measure of angle C?
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8
Triangle PQR has angles measuring 30β, 60 β, and π₯β. What is the value of π₯?
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9
Triangle XYZ is an equilateral triangle. What is the measure of each angle?
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10
In triangle DEF, angle D is 80β and angle E is 40β. What is the measure of angle F?
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